| Used Operating Systems |
| 1 | 18038 | 38.26 | 175 | 1.23 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11576 | 24.56 | 8475 | 59.77 | +http://ahrefs.com/robot/ |
| 3 | 5916 | 12.55 | 3781 | 26.66 | +http://www.baidu.com/search/spider.html |
| 4 | 5266 | 11.17 | 15 | 0.11 | +http://www.warebay.com/bot.html |
| 5 | 3862 | 8.19 | 955 | 6.73 | Windows NT |
| 6 | 1197 | 2.54 | 354 | 2.50 | +http://www.bing.com/bingbot.htm |
| 7 | 747 | 1.58 | 231 | 1.63 | +http://www.google.com/bot.html |
| 8 | 359 | 0.76 | 105 | 0.74 | +http://yandex.com/bots |
| 9 | 87 | 0.18 | 28 | 0.20 | +http://www.linkdex.com/bots/ |
| 10 | 25 | 0.05 | 18 | 0.13 | Windows 95 |
| 11 | 18 | 0.04 | 12 | 0.08 | Windows XP |
| 12 | 9 | 0.02 | 6 | 0.04 | Windows CE |
| 13 | 8 | 0.02 | 5 | 0.04 | Windows 98 |
| 14 | 4 | 0.01 | 1 | 0.01 | +http://sur.ly/bot.html |
| 15 | 4 | 0.01 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 16 | 4 | 0.01 | 4 | 0.03 | Windows 3.1 |
| 17 | 4 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 18 | 3 | 0.01 | 2 | 0.01 | Windows 2000 |
| 19 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 20 | 3 | 0.01 | 3 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 21 | 2 | 0.00 | 2 | 0.01 | http://nmap.org/book/nse.html |
| 22 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 23 | 2 | 0.00 | 0 | 0.00 | +http://www.pdffiller.com/en/support.htm |
| 24 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 25 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
